<template>
  <div>
    <a-spin :spinning="loading">
      <a-form :form="form" v-bind="formLayout">
        <!-- 检查是否有 id 并且大于0，大于0是修改。其他是新增，新增不显示主键ID -->
        <a-form-item v-show="model && model.id > 0" label="主键ID">
          <a-input v-decorator="['id', { initialValue: 0 }]" disabled />
        </a-form-item>
        <a-form-item label="描述">
          <a-input
            v-decorator="[
              'description',
              { rules: [{ required: true, min: 5, message: '请输入至少五个字符的规则描述！' }] },
            ]"
          />
        </a-form-item>
      </a-form>
      <div class="ant-modal-footer">
        <div>
          <button
            type="button"
            @click="ok"
            class="ant-btn ant-btn-primary"
            ant-click-animating-without-extra-node="false"
          >
            <span>确 定</span>
          </button>
        </div>
      </div>
    </a-spin>
  </div>
</template>

<script>
import pick from 'lodash.pick'

// 表单字段
const fields = ['description', 'id']

export default {
  props: {
    // visible: {
    //   type: Boolean,
    //   required: true,
    // },
    loading: {
      type: Boolean,
      default: () => false,
    },
    model: {
      type: Object,
      default: () => null,
    },
  },
  data() {
    this.formLayout = {
      labelCol: {
        xs: { span: 24 },
        sm: { span: 7 },
      },
      wrapperCol: {
        xs: { span: 24 },
        sm: { span: 13 },
      },
    }
    return {
      form: this.$form.createForm(this),
    }
  },

  created() {
    console.log('custom modal created')

    // 防止表单未注册
    fields.forEach((v) => this.form.getFieldDecorator(v))

    // 当 model 发生改变时，为表单设置值
    this.$watch('model', () => {
      if (this.model === null) {
        this.form.resetFields()
      } else {
        this.model && this.form.setFieldsValue(pick(this.model, fields))
      }
    })
  },
  methods: {
    cancel(e) {
      this.$emit('cancel')
    },
    ok(e) {
      this.$emit('ok')
    },
  },
}
</script>
